Bosch 0221504474 Ignition Coil

Bosch Ignition Coil for BMW Applications

Bosch ignition coil 0221504474 is a pencil-style ignition coil built for BMW engines that use a coil-on-plug layout. It delivers the correct ignition voltage for consistent spark performance, smoother engine operation, improved fuel efficiency, and lower exhaust emissions.

For BMW 320i, 325i, 525i, 530i, 540i, 740i, 840Ci, and M3 applications, this Bosch ignition coil supports reliable ignition performance in vehicles that require precise spark delivery at each cylinder. The Bosch Ignition Coil (New) line focuses on OE-style replacement fitment and electrical performance.

Key Features

• Bosch ignition coil, part number 0221504474
• Pencil coil design for coil-on-plug ignition systems
• 14-volt coil specification
• SAE terminal type
• Direct-fit replacement for select BMW inline-6 and V8 applications
• Previously cataloged as Bosch 0221504410

Detailed Description

This Bosch ignition coil is engineered for BMW engines that use one coil per cylinder with a spark plug connector. It is a practical replacement for vehicles such as the BMW 325i, BMW 525i, and BMW 740i where stable ignition output is critical to combustion quality. Bosch part number 0221504474 is also referenced under the earlier catalog number 0221504410.

This part cross-references URO 12139066468 for the same application.

What It Helps Address

• Misfire conditions caused by weak or inconsistent spark
• Hard starting related to ignition coil wear
• Rough idle and hesitation under load
• Reduced fuel economy from incomplete combustion
• Higher exhaust emissions from poor ignition performance

Installation Notes and Tips

Verify the coil style, terminal type, and engine application before installation. This Bosch ignition coil is listed for BMW models with coil-on-plug ignition and one coil per cylinder. Confirm the connector style and cylinder application on the vehicle before replacing the original unit.

• Fits 1992-1995 BMW 320i, N/A
• Fits 1992-1995 BMW 325i, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1992-1995 BMW 325is, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1991-1995 BMW 525i, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1994-1995 BMW 530i, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1994-1995 BMW 540i, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1993-1995 BMW 740i, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1993-1995 BMW 740iL, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1994-1995 BMW 840Ci, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1995 BMW M3, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1991-1993 BMW 318is, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1993 BMW 525iT, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)
• Fits 1991-1992 BMW 318i, N/A; One per cylinder; with Spark Plug Connector; Ignition Coil (New)

Quality Assurance

Bosch supplies ignition components to OE-level standards, and this ignition coil is built to support correct ignition voltage and dependable spark delivery in the listed BMW applications. Bosch 0221504474 is a focused replacement choice for maintaining factory-style ignition performance.